DV Power TWR-H 手持式匝数比和绕组电阻测试仪 (1 µΩ – 3 kΩ, 0.8 – 4 000 @1 V AC, 0.8 – 20 000 @40 & 10 V AC)

Battery

• Type: Li-Ion, 14.8 V, 2.9 Ah

• Rechargeable

• User replaceable

Power Supply Adapter

• Input voltage: 90 – 264 V AC, 50/60 Hz

• Output voltage: 12-19 V DC

• Output current: 2 A DC

Output AC Source

• Voltage: 40 V, 10 V, 1 V

Output DC Source 2

• Current: 10 A, 5 A, 2 A, 1 A, 500 mA

Turns Ratio Measurement

• Measurement range:

0.8 – 20 000 @40 & 10 V AC

0.8 – 4 000 @1 V AC

• Resolution: 5 digits

Excitation Current Measurement

• Measurement range: 0 – 1 A

• Resolution: 0.1 mA

• Typical accuracy: ±(1% rdg + 0.5 mA)

Phase Angle Measurement

• Measurement range: 0 – 360º

• Resolution: 0.01º

• Typical accuracy: ±0.06º

Winding Resistance Measurement

• Measurement range: 1 µΩ – 3 kΩ

• Range / resolution:

1 µΩ – 9.999 mΩ/ 1 µΩ

10.00 mΩ – 99.99 mΩ/ 0.01 mΩ

100.0 mΩ – 999.9 mΩ/ 0.1 mΩ

1.000 Ω – 9.999 Ω/ 0.001 Ω

10.00 Ω – 99.99 Ω/ 0.01 Ω

100.0 Ω – 999.9 Ω/ 0.1 Ω

1.000 kΩ – 3.000 kΩ/ 1 Ω

• Typical accuracy: ±(0.5% rdg + 0.5% F.S.)

Display

• LCD 4.8” display, 240 x 128 pixels

Environmental Conditions

• Operating temperature:

-20 ºC – +55 ºC / -4 ºF – +131 ºF

• Storage & transportation:

-40 ºC – +70ºC / -40 ºF – +158 ºF

• Humidity: 0% – 95% relative humidity, noncondensing

Dimensions and Weight

• Dimensions (W x H x D):170 x 310 x 58 mm / 6.69 x 12.21 x 2.28 in

• Weight: 1.4 kg / 3.1 lbs